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LR1121BL-27-AF5-A-R Fiches technique(PDF) 3 Page - Unisonic Technologies

No de pièce LR1121BL-27-AF5-A-R
Description  HIGH RIPPLE-REJECTION LDO REGULATOR
PDF  6 Pages
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Fabricant  UTC [Unisonic Technologies]
Site Internet  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

LR1121BL-27-AF5-A-R Fiches technique(HTML) 3 Page - Unisonic Technologies

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LR1121B
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
3 of 6
www.unisonic.com.tw
QW-R502-101.G
ABSOLUTE MAXIMUM RATINGS (TA=25°C)
PARAMETER
SYMBOL
RATINGS
UNIT
VIN
7
V
Input Voltage
VON/OFF
0.3 ~ VIN+0.3
V
Output Voltage
VOUT
-0.3 ~ VIN+0.3
V
Power Dissipation
PD
280
mW
Junction Temperature
TJ
125
°C
Operating Temperature
TOPR
-40 ~ +85
°C
Storage Temperature
TSTG
-40 ~ +125
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ELECTRICAL CHARACTERISTICS (TA=25°C, unless otherwise specified.)
PARAMETER
SYMBOL
TEST
CIRCUIT
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output Voltage
VOUT
1
VIN=VOUT+1.0V, IOUT=30mA
VOUT
×0.98
VOUT
×1.02
V
Output Current
IOUT
3
VIN≧VOUT+1.0V
200
mA
Input Voltage
VIN
2.0
7
V
Line Regulation
△
VOUT(LINE)
△
VIN×VOUT
1
VOUT+0.5V≤VIN≤7V
IOUT=30mA
0.04
0.2
%/V
Load Regulation
△
VOUT(LOAD)
1
VIN=VOUT+1.0V
1.0mA≤IOUT≤80mA
15
40
mV
Supply Current
ISS1
2
VIN=VOUT+1.0V, ON/OFF
pin=ON, no load
30
65
Supply Current During
standby
ISS2
2
VIN=VOUT+1.0V, ON/OFF
pin=OFF, no load
0.1
1.0
μA
Short Circuit Current
ISHORT
3
VIN=VOUT+1.0V, ON/OFF
pin=ON, VOUT=0V
230
mA
High
VSH
4
VIN=VOUT+1.0V, RL=10KΩ
1.6
VIN
V
Shutdown Pin Input
Voltage
Low
VSL
4
VIN=VOUT+1.0V, RL=10KΩ
0
0.3
High
ISH
4
VIN=7V, VON/OFF= VIN
-0.1
0.1
μA
Shutdown Pin Input
Current
Low
ISL
4
VIN=7V, VON/OFF= VSS
-0.1
0.1
Ripple Rejection
RR
5
VIN=VOUT+1.0V, f=1.0kHz
Ripple 0.5Vp-p
70
dB
ELECTRICAL CHARACTERISTICS OF DROPOUT VOLTAGE (TA=25°C)
VD (Dropout Voltage)
Output Voltage, VOUT (V)
Condition
MIN
TYP
MAX
UNIT
2.1V≤VOUT(S)≤2.4V
0.22
0.70
V
2.5V≤VOUT(S)≤2.7V
0.20
0.35
V
2.8V≤VOUT(S)≤3.3V
0.18
0.30
V
3.4V≤VOUT(S)≤5.5V
IOUT=100mA
0.15
0.26
V



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